<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="类型名称" prop="categoryName">
        <el-input
          v-model="queryParams.categoryName"
          placeholder="请输入类型名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="校区名称" prop="campusName">
        <el-input
          v-model="queryParams.campusName"
          placeholder="请输入校区名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="categoryStatus">
        <el-select
          v-model="queryParams.categoryStatus"
          placeholder="请选择状态"
          clearable
          @keyup.enter.native="handleQuery"
        >
          <!-- value绑定字符串  :value绑定数字 -->
          <el-option label="正常" :value="1"></el-option>
          <el-option label="删除" :value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['courseManagement:category:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['courseManagement:category:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['courseManagement:category:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['courseManagement:category:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="categoryList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="课程分类id" align="center" prop="categoryId" />
      <el-table-column label="类型名称" align="center" prop="categoryName" />
      <el-table-column label="上级分类" align="center" prop="parentName" />
      <el-table-column label="校区名称" align="center" prop="campusName" />
      <el-table-column label="排序序号" align="center" prop="categorySort" />
      <el-table-column label="状态" align="center" prop="categoryStatus">
        <template slot-scope="scope">
          <el-tag type="success" v-if="scope.row.categoryStatus == 1"
            >正常</el-tag
          >
          <el-tag type="danger" v-else>删除</el-tag>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['courseManagement:category:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['courseManagement:category:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改课程分类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="校区名称" prop="campusName">
          <el-select
            v-model="form.campusId"
            clearable
            placeholder="请选择校区"
            @change="getCategoryByCampusId(form.campusId)"
          >
            <el-option
              v-for="item in campusList"
              :key="item.campusId"
              :label="item.campusName"
              :value="item.campusId"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="所属分类" prop="parentName">
          <el-select
            v-model="form.parentId"
            clearable
            placeholder="请选择上级分类"
          >
            <el-option
              v-if="categoryListByCampus.length != 0"
              label="/（根分类）"
              :value="0"
            />
            <el-option
              v-for="item in categoryListByCampus"
              :key="item.categoryId"
              :label="item.categoryName"
              :value="item.categoryId"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="类型名称" prop="categoryName">
          <el-input v-model="form.categoryName" placeholder="请输入类型名称" />
        </el-form-item>
        <el-form-item label="排序序号" prop="categorySort">
          <el-input v-model="form.categorySort" placeholder="请输入排序序号" />
        </el-form-item>
        <el-form-item label="状态" prop="categoryStatus">
          <el-radio-group v-model="form.categoryStatus">
            <el-radio :label="0">删除</el-radio>
            <el-radio :label="1">正常</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listCategory,
  listCategoryByCampusId,
  getCategory,
  delCategory,
  addCategory,
  updateCategory,
} from "@/api/courseManagement/category";
import { listCampusInfo } from "@/api/campus/campusInfo";
import Cookies from "js-cookie";
export default {
  name: "Category",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程分类表格数据
      categoryList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        categoryName: null,
        campusName: null,
        campusId:null,
        categoryStatus: null,
      },
      // 校区课程分类列表
      categoryListByCampus: [],
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
      // 校区列表
      campusList: [],
    };
  },
  created() {
    const user= JSON.parse(Cookies.get("user"))
    this.queryParams.campusId = user.campusId
    this.getList();
  },
  methods: {
    /** 查询课程分类列表 */
    getList() {
      this.loading = true;
      listCategory(this.queryParams).then((response) => {
        this.categoryList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },

    getCategoryByCampusId(campusId) {
      this.form.parentId = undefined; // 清空已选的父分类
      this.categoryListByCampus = [];
      if (campusId) {
        listCategoryByCampusId(campusId).then((res) => {
          this.categoryListByCampus = res.rows;
        });
      }
    },
    getCategoryByCampusIdUp(campusId) {
      this.categoryListByCampus = [];
      if (campusId) {
        listCategoryByCampusId(campusId).then((res) => {
          this.categoryListByCampus = res.rows;
        });
      }
    },

    // 获取校区列表
    getCampusList() {
      listCampusInfo(this.queryParams).then((res) => {
        this.campusList = res.rows;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        categoryId: null,
        categoryName: null,
        parentId: null,
        categorySort: null,
        campusId: null,
        categoryStatus: null,
        createTime: null,
        updateTime: null,
        demo1: null,
        demo2: null,
        demo3: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.categoryId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.getCampusList();
      this.open = true;
      this.title = "添加课程分类";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getCampusList();
      const categoryId = row.categoryId || this.ids;
      getCategory(categoryId).then((response) => {
        this.form = response.data;
        this.getCategoryByCampusIdUp(this.form.campusId);
        this.open = true;
        this.title = "修改课程分类";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.categoryId != null) {
            updateCategory(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCategory(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const categoryIds = row.categoryId || this.ids;
      this.$modal
        .confirm('是否确认删除课程分类编号为"' + categoryIds + '"的数据项？')
        .then(function () {
          return delCategory(categoryIds);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "courseManagement/category/export",
        {
          ...this.queryParams,
        },
        `category_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>
<style>
.el-form-item__label{
  font-size:13px
}
</style>
